metallographic microscopy 中文意思是什麼
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The primary theory of absorption and desorption was also explained. the effects of primary process parameters, such as hydrogen pressure, time and temperature on the magnetic properties of ndfeb have been researched. the structure and magnetic properties have been analyzed by means of optical metallographic microscopy, scanning electronic microscopy, x - ray diffraction analysis, infrared oxygen detector and magnetic properties measurement
本文設計了燒結ndfeb的氫爆制粉設備，對設備調試以及使用過程中出現的主要問題進行了簡要的說明，提出了一系列解決方法；闡述了吸氫、脫氫的基本原理；研究了氫氣壓力、通氫時間、氫爆溫度等基本工藝參數對磁性能的影響；利用金相顯微鏡和掃描電子顯微鏡， x射線衍射分析，紅外線測氧分析及綜合磁性測量儀等手段分析了材料的組織結構和磁性能。 -
The coating adhesion was detected by scribe - grid test and thermal shock test. the morphology of the coating was charactered by metallographic microscopy and sem. the research results of the experiments show that : 1
研究結果表明: 1 .採用草酸酸洗、堿性活化、配合劑鉀鹽浸鋅液浸鋅的前處理獲得的后鍍層質量高。
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